{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-50263",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-09-15T13:58:00.974Z",
        "datePublished": "2025-09-15T14:20:59.436Z",
        "dateUpdated": "2026-05-11T19:15:56.311Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:15:56.311Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nvdpasim: fix memory leak when freeing IOTLBs\n\nAfter commit bda324fd037a (\"vdpasim: control virtqueue support\"),\nvdpasim->iommu became an array of IOTLB, so we should clean the\nmappings of each free one by one instead of just deleting the ranges\nin the first IOTLB which may leak maps."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/vdpa/vdpa_sim/vdpa_sim.c"
                    ],
                    "versions": [
                        {
                            "version": "bda324fd037a6b0d44da5699574ce741ca161bc4",
                            "lessThan": "54b210c90d2803a9f1c8fd2f0d08e90172e9a06d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "bda324fd037a6b0d44da5699574ce741ca161bc4",
                            "lessThan": "16b22e27fba6fd816d0dcb98f42cc71f0836c27e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "bda324fd037a6b0d44da5699574ce741ca161bc4",
                            "lessThan": "0b7a04a30eef20e6b24926a45c0ce7906ae85bd6",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/vdpa/vdpa_sim/vdpa_sim.c"
                    ],
                    "versions": [
                        {
                            "version": "5.19",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.19",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.0.19",
                            "lessThanOrEqual": "6.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.5",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.2",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.19",
                                    "versionEndExcluding": "6.0.19"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.19",
                                    "versionEndExcluding": "6.1.5"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.19",
                                    "versionEndExcluding": "6.2"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/54b210c90d2803a9f1c8fd2f0d08e90172e9a06d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/16b22e27fba6fd816d0dcb98f42cc71f0836c27e"
                },
                {
                    "url": "https://git.kernel.org/stable/c/0b7a04a30eef20e6b24926a45c0ce7906ae85bd6"
                }
            ],
            "title": "vdpasim: fix memory leak when freeing IOTLBs",
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                "engine": "bippy-1.2.0"
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        }
    }
}